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<table width="100%" summary="page for NCbirths"><tr><td>NCbirths</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>NCbirths</h2>

<h3>Description</h3>

<p>Data from births in North Carolina in 2001
</p>


<h3>Format</h3>

<p>A dataset with 1450 observations on the following 15 variables.
</p>

<table summary="Rd table">
<tr>
 <td style="text-align: right;">
    <code>ID</code> </td><td style="text-align: left;"> Patient ID code</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Plural</code> </td><td style="text-align: left;"> <code>1</code>=single birth, <code>2</code>=twins, <code>3</code>=triplets</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Sex</code> </td><td style="text-align: left;">  Sex of the baby <code>1</code>=male <code>2</code>=female</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>MomAge</code> </td><td style="text-align: left;"> Mother's age (in years)</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Weeks</code> </td><td style="text-align: left;"> Completed weeks of gestation</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Marital</code> </td><td style="text-align: left;"> Marital status: <code>1</code>=married or <code>2</code>=not married</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>RaceMom</code> </td><td style="text-align: left;"> Mother's race: <code>1</code>=white, <code>2</code>=black, <code>3</code>=American Indian, <code>4</code>=Chinese</td>
</tr>
<tr>
 <td style="text-align: right;">
    </td><td style="text-align: left;"> <code>5</code>=Japanese, <code>6</code>=Hawaiian, <code>7</code>=Filipino, or <code>8</code>=Other Asian or Pacific Islander</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>HispMom</code> </td><td style="text-align: left;"> Hispanic origin of mother: <code>C</code>=Cuban, <code>M</code>=Mexican, <code>N</code>=not Hispanic</td>
</tr>
<tr>
 <td style="text-align: right;">
    </td><td style="text-align: left;"> <code>O</code>=Other Hispanic, <code>P</code>=Puerto Rico, <code>S</code>=Central/South America</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Gained</code> </td><td style="text-align: left;"> Weight gained during pregnancy (in pounds)</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Smoke</code> </td><td style="text-align: left;"> Smoker mom? <code>1</code>=yes or <code>0</code>=no</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>BirthWeightOz</code> </td><td style="text-align: left;"> Birth weight in ounces</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>BirthWeightGm</code> </td><td style="text-align: left;"> Birth weight in grams</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Low</code> </td><td style="text-align: left;"> Indicator for low birth weight, <code>1</code>=2500 grams or less</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Premie</code> </td><td style="text-align: left;"> Indicator for premature birth, <code>1</code>=36 weeks or sooner</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>MomRace</code> </td><td style="text-align: left;"> Mother's race: <code>black</code>, <code>hispanic</code>, <code>other</code>, or  <code>white</code></td>
</tr>
<tr>
 <td style="text-align: right;">
  </td>
</tr>

</table>



<h3>Details</h3>

<p>This dataset contains data on a sample of 1450 birth
records that statistician John Holcomb selected from the North Carolina State Center for Health
and Environmental Statistics.
</p>


<h3>Source</h3>

<p>Thanks to John Holcomb at Cleveland State University for sharing these data. 
</p>


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